云南省蒙自縣白牛廠銀多金屬礦床成礦地質(zhì)特征及成礦模式.pdf

1、中南大學(xué)碩士學(xué)位論文云南省蒙自縣白牛廠銀多金屬礦床成礦地質(zhì)特征及成礦模式姓名：李曉波申請(qǐng)學(xué)位級(jí)別：碩士專(zhuān)業(yè)：礦物學(xué)、巖石學(xué)、礦床學(xué)指導(dǎo)教師：劉繼順20050331Theore—forminggeologicalfeaturesandmetallogenicpatternofBainiuchangpolymetaldepositinMengzicounty，YunnanprovinceABSTRACT’LocatedinMengzicou

2、nty，Yunnanprovince，BainiuchangdepositisasuperlargepolymetaldepositwithsilverleadzinctinandcopperItisoneofthethreelargedepositsinfinzinccoppersilverlead—tungstenpolymetalmetallogeneticbeltateastsouthpartofYunnanprovincewh

3、ichisthewestpartofNanlingtungsten—tinmetallogeneticzoneBasedonthesystematiccollectionstotheformerresearchandthedataofprospectingandmining，thegeologicalinvestigationtothegroundandsapsandthetesting，thepaperillustratedBaini

4、uchangdeposit’SOre—forminggeologicalfeaturesandconcludeditsmetallogenicpattembythesyntheticalanalysistomineralsandrocks、oreformingtectonics、geochemistryandisotopegeochemistryThedetailedlocalgeologicalinvestigationindicat

5、edthatthemainorebodyofBainiuchangdepositisalowdipveinwhichsubmittedtostrataingeneralandwascontrolledstrictlybyF3faultbeltRichorebodiesareoftenhighdipveinsandwerecontrolledbysidecranniesofF3andapproximatenorthsouthstructu

6、resTheabundantpyrrhotineandmarmatiteinoreshowedthattheoreformingtemperatureWaShi曲erthannormalstrataboundleadandzincdepositThefactthattherearesomesedimentarytectonicsinOrerevealedthatthesynsedimentWashelpfultotheformingof

7、thedepositThestudiesofgeochemistryandisotopegeochemistryindicatedthatthemainore—formingmaterialscamefromTianpengGroupinthemiddleCambriananditsunderstrataandsomefiomgraniteinYanshanperiod；theOre—formingfluidswhichweredriv